4/28/2010 1 Silhouette Sign Frontal X-ray Signs of Lobar Consolidation • RUL – loss of upper right mediastinal border • RML – loss of right heart border • RLL – loss of right hemidiaphram • LUL – loss of upper left mediastinal border • LINGULA loss of left heart border • LINGULA – loss of left heart border • LLL – loss of left hemidiaphram
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RAD553 2010 On line3 sillohette sign · 4/28/2010 1 Silhouette Sign Frontal X-ray Signs of Lobar Consolidation • RUL – loss of upper right mediastinal border •RML– loss of
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4/28/2010
1
Silhouette Sign
Frontal X-ray Signs of Lobar Consolidation
• RUL – loss of upper right mediastinalborder
• RML – loss of right heart border• RLL – loss of right hemidiaphram• LUL – loss of upper left mediastinal
border• LINGULA loss of left heart border• LINGULA – loss of left heart border• LLL – loss of left hemidiaphram
4/28/2010
2
Frontal X-ray Signs of Lobar Consolidation
• SILHOUETTE SIGN – for localizing lesion from frontal chest film Intra-thoracic airfrom frontal chest film. Intra-thoracic air space occupying lesions touching a soft tissue structure will obliterate the air soft tissue interface